26 October - 27 October 2021
Hyatt Centric Beale Street Memphis, Tennessee

Argus Vehicle Emissions and DEF Summit USA

Speakers and advisory board leaders 2021

Darren Tasker
Vice President, Industrial, Volvo Penta
Darren Tasker is vice president Industrial for Volvo Penta of the Americas. In this position, he oversees development of the company’s power generation and off-road versatile equipment segments within North and Central America and the Caribbean. A long-time Volvo Penta employee, Tasker joined the company in 1996 as area account manager and internal sales engineer. He has ...
Darren Tasker is vice president Industrial for Volvo Penta of the Americas. In this position, he oversees development of the company’s power generation and off-road versatile equipment segments within North and Central America and the Caribbean. A long-time Volvo Penta employee, Tasker joined the company in 1996 as area account manager and internal sales engineer. He has also served as UK industrial sales manager, off- highway project director for Europe; and director of industrial business for the Americas. He also held the interim position of head of the organization’s European Industrial division in 2018. Originally from the United Kingdom, he earned an MBA degree from Middlesex University. Tasker is a member of the Chartered Management Institute and a past chairman of the Association of Manufacturers of Power Generating Systems.
Dannan Dou
Manager, Advanced Technology and Innovation, John Deere
Danan Dou received his doctoral degree of chemistry in 1992. He worked on emission control technologies for 11 years at Allied Signal Environmental Catalysts which later became a part of Delphi. In 2006, Danan joined John Deere Power Systems as the manager of aftertreatment technologies to develop product solutions for meeting Interim Tier IV and Final Tier IV emission sta...
Danan Dou received his doctoral degree of chemistry in 1992. He worked on emission control technologies for 11 years at Allied Signal Environmental Catalysts which later became a part of Delphi. In 2006, Danan joined John Deere Power Systems as the manager of aftertreatment technologies to develop product solutions for meeting Interim Tier IV and Final Tier IV emission standards. From 2011 to 2020, he served as the manager of Advanced Power Systems Engineering, leading development of engine and emission control technologies. Danan was been elected to be a SAE fellow in 2016 and a John Deere fellow in 2017. Since October 2020, Danan had a new assignment of leading powertrain technology development, innovation and technology roadmap to reduce green-house gas and criteria emissions as the manager of Advanced Technology and Innovation at John Deere Power Systems.
Rahul Mital
Technical Fellow, General Motors
Rahul Mital is currently responsible for diesel aftertreatment system architecture for all GM diesel vehicles globally. He has been working in the area of emissions for the last 24 years and has developed numerous innovative designs, tools and methods which have helped GM achieve the stringent emission targets in a cost-effective manner. Rahul has also DFSS Black Belt from...
Rahul Mital is currently responsible for diesel aftertreatment system architecture for all GM diesel vehicles globally. He has been working in the area of emissions for the last 24 years and has developed numerous innovative designs, tools and methods which have helped GM achieve the stringent emission targets in a cost-effective manner. Rahul has also DFSS Black Belt from Cummins as well as GM and has previously worked as an Engineer and Program Manager on energy conversion technology, Alkali Metal Thermal to Electric Conversion (AMTEC), for NASA, Air Force and DARPA.
Jim Timmer
Vice President, DEF Product Management, Mansfield Oil Company
Jim Timmer is the Vice President responsible for overseeing Mansfield’s DEF project line. Mansfield distributes over 70MM gallons of DEF from 80 supply points throughout North America, working closely with multiple suppliers. These partnerships enable knowledge sharing with those on the production side to forecast and adapt to market conditions.
Jim Timmer is the Vice President responsible for overseeing Mansfield’s DEF project line. Mansfield distributes over 70MM gallons of DEF from 80 supply points throughout North America, working closely with multiple suppliers. These partnerships enable knowledge sharing with those on the production side to forecast and adapt to market conditions.
Larry Fromm
Executive Vice President, Business Development, Achates Power
Mr Laurence Fromm joined Achates Power in 2004 as the market-facing executive of the company’s founding team. While managing the business development, government relations and marketing for Achates Power, Fromm leads engagements with leading engine, commercial vehicle and passenger vehicle manufacturers around the globe. Fromm earned a Bachelor of Science, summa cum laude...
Mr Laurence Fromm joined Achates Power in 2004 as the market-facing executive of the company’s founding team. While managing the business development, government relations and marketing for Achates Power, Fromm leads engagements with leading engine, commercial vehicle and passenger vehicle manufacturers around the globe. Fromm earned a Bachelor of Science, summa cum laude, in computer engineering from the University of Michigan and a Master of Business Administration from Harvard Business School.
William Robertson
Vehicle Program Specialist, California Air Resources Board
Bill Robertson serves as the California Air Resources Board’s Heavy Duty Technology advisor. Current responsibilities include advising CARB’s Low NOx and incentive programs. He has been with CARB for 14 years working on various emissions and toxicity projects relating heavy duty diesel and alternative fuel exhaust. He has also participated in developing test procedures and...
Bill Robertson serves as the California Air Resources Board’s Heavy Duty Technology advisor. Current responsibilities include advising CARB’s Low NOx and incentive programs. He has been with CARB for 14 years working on various emissions and toxicity projects relating heavy duty diesel and alternative fuel exhaust. He has also participated in developing test procedures and vehicle and engine testing facilities. His educational background includes a Ph.D. in physical chemistry from Yale University and a B.S. in chemistry from Andrews University.
Elizabeth John
Manager, Advanced Fuels and Vehicle Technologies Office, California Energy Commission
Elizabeth John is the Manager of the Advanced Fuels and Vehicle Technologies Office in the Fuels and Transportation Division of the California Energy Commission, where she oversees grant activities funded under the Clean Transportation Program for medium- and heavy-duty vehicles. Her Office’s responsibilities include: deploying zero-emission vehicle charging and refueling ...
Elizabeth John is the Manager of the Advanced Fuels and Vehicle Technologies Office in the Fuels and Transportation Division of the California Energy Commission, where she oversees grant activities funded under the Clean Transportation Program for medium- and heavy-duty vehicles. Her Office’s responsibilities include: deploying zero-emission vehicle charging and refueling infrastructure to support advanced freight and fleet technologies; building capacity of California companies to produce economically competitive low carbon fuels from waste-based and renewable feedstocks; and facilitating the replacement of the state’s oldest and dirtiest school buses with new, alternative-fueled school buses. Elizabeth holds a Bachelor of Arts degree in Political Science from the University of California, Davis, and a Master’s of Public Policy and Administration degree from California State University, Sacramento. where she oversees grant activities funded under the Clean Transportation Program for medium- and heavy-duty vehicles. Her Office’s responsibilities include: deploying zero-emission vehicle charging and refueling infrastructure to support advanced freight and fleet technologies; building capacity of California companies to produce economically competitive low carbon fuels from waste-based and renewable feedstocks; and facilitating the replacement of the state’s oldest and dirtiest school buses with new, alternative-fueled school buses. Elizabeth holds a Bachelor of Arts degree in Political Science from the University of California, Davis, and a Master’s of Public Policy and Administration degree from California State University, Sacramento.
Coralie Cooper
Deputy Director, NESCAUM
Coralie Cooper is Deputy Director of NESCAUM and as Deputy works with program staff to assist NESCAUM member states in developing strategies to reduce greenhouse gas (GHG) and criteria emissions from transportation and stationary sources. As Deputy, Coralie also contributes to managing the organization and improving operations. From 2001 to 2011, Coralie was Transportation...
Coralie Cooper is Deputy Director of NESCAUM and as Deputy works with program staff to assist NESCAUM member states in developing strategies to reduce greenhouse gas (GHG) and criteria emissions from transportation and stationary sources. As Deputy, Coralie also contributes to managing the organization and improving operations. From 2001 to 2011, Coralie was Transportation Program Manager at NESCAUM where she led NESCAUM’s work with states to reduce motor vehicle and nonroad criteria and GHG emissions. In addition to her roles at NESCAUM, Coralie worked at the U.S. Department of Transportation on the federal Phase 2 heavy-duty GHG and fuel economy regulation in addition to other initiatives with a variety of divisions within DOT. Coralie has a Masters in City Planning with a focus on environmental policy from the Massachusetts Institute of Technology and a B.A. from Boston University.
David Montgomery
Engineering Manager/Technical Steward – Natural Gas and Alternative Fuels – Engine Research, Caterpillar Inc.
Dr. David Montgomery has a combined role of engineering manager and technical steward in Caterpillar’s Energy & Transportation Technology group (formerly known as Engine Research). He leads a team focused on research and development of natural gas and alternative fueled power systems. Dave is also an adjunct professor of mechanical engineering at Colorado State University;...
Dr. David Montgomery has a combined role of engineering manager and technical steward in Caterpillar’s Energy & Transportation Technology group (formerly known as Engine Research). He leads a team focused on research and development of natural gas and alternative fueled power systems. Dave is also an adjunct professor of mechanical engineering at Colorado State University; teaching and managing joint Caterpillar/CSU research projects. Dave’s most recent previous corporate position was serving as Caterpillar’s primary Dual-Fuel Subject Matter Expert, consulting on combustion system R&D programs for natural gas powered off-highway equipment including mining, marine, and locomotive products. Previously Dave led research efforts on innovative SI gas engine technologies while managing the joint Caterpillar/US Department of Energy Advanced natural gas Reciprocating Engine Systems (ARES) program. Dave joined Caterpillar in May of 2006 after spending 6 years in R&D at Johnson/Evinrude/Ski-doo investigating efficiency improvement and emissions reduction in high power density 2-stroke engines. He earned his Masters and Ph.D. in Mechanical Engineering from the University of Wisconsin-Madison while conducting research in a Caterpillar sponsored diesel engine laboratory.
Chris Walters
Manager, Global Regulatory Affairs, CNH Industrial
Chris Walters leads the regulatory affairs team for powertrain product conformance at FPT Industrial. In this role, he supports activities in the areas of state and federal regulatory development, alternative propulsion projects and strategic emissions programs. Chris has led many environmental-related initiatives and he has been involved in the development of a variety ...
Chris Walters leads the regulatory affairs team for powertrain product conformance at FPT Industrial. In this role, he supports activities in the areas of state and federal regulatory development, alternative propulsion projects and strategic emissions programs. Chris has led many environmental-related initiatives and he has been involved in the development of a variety of regulations across the globe. Prior to his current role, Chris worked in various engine product development roles including application engineering, electronic controls and engine testing. Chris received a Bachelor’s of Science degree in mechanical engineering from the University of Iowa.
Alan Smith
Vice President - DEF, Brenntag
Alan is based in Charlotte, North Carolina, and has over 20 years’ experience in trucking, off-road and distribution at companies including Honeywell, GE and Gentech. He played a key role in the development of North American infrastructure for DEF supply and distribution. Alan attended Ohio University and the Kellogg Business School at Northwestern University. Brenntag is ...
Alan is based in Charlotte, North Carolina, and has over 20 years’ experience in trucking, off-road and distribution at companies including Honeywell, GE and Gentech. He played a key role in the development of North American infrastructure for DEF supply and distribution. Alan attended Ohio University and the Kellogg Business School at Northwestern University. Brenntag is the world’s largest distributor of DEF.
Cary Henry
Assistant Director, Powertrain Engineering, Southwest Research Institute
Cary earned his Ph.D. from the University of Florida for research focused on the development of novel methods for In Situ quantification of gas-phase constituents during the heterogeneous rich catalytic combustion of Methane and Synthesis-Gas. Upon completion of his Ph.D., Cary spent five years at Cummins, holding a variety of positions which included fundamental research ...
Cary earned his Ph.D. from the University of Florida for research focused on the development of novel methods for In Situ quantification of gas-phase constituents during the heterogeneous rich catalytic combustion of Methane and Synthesis-Gas. Upon completion of his Ph.D., Cary spent five years at Cummins, holding a variety of positions which included fundamental research of lean-burn catalysts and aftertreatment system integration for advanced development programs. Cary joined Southwest Research Institute in 2013 and is Assistant Director of the Diesel Engine and Emissions R&D Department. In this role, Cary is responsible for catalyst and aftertreatment R&D, gaseous emissions chemistry, and particle science. Cary is a holder of 17 U.S. patents, and is an inventor on more than 20 pending U.S. patent applications. He has authored over 30 technical papers in the fields of lean-burn aftertreatment and spark ignited combustion systems and is regularly invited to provide guest lectures at industry conferences and symposia.
Tim Cheyne
Vice President Business Development, Argus
Tim is Vice President, Business Development in the fertilizer sector at Argus. Tim worked a process manager at an ammonia/urea plant in South Africa before moving to the UK to join KBR (then M.W. Kellogg) as a process engineer in the ammonia technology team. More recently Tim has covered fertilizer and industrial nitrogen as a market analyst.
Tim is Vice President, Business Development in the fertilizer sector at Argus. Tim worked a process manager at an ammonia/urea plant in South Africa before moving to the UK to join KBR (then M.W. Kellogg) as a process engineer in the ammonia technology team. More recently Tim has covered fertilizer and industrial nitrogen as a market analyst.
Neil Burge
Engineering Director, CVI (Commercial Vehicle & Industrial), Faurecia
Neil Burge is Engineering Director for Faurecia’s NAO CVI group. As such he is responsible for the CVI customer Engineering programs for Faurecia in the US, and globally for strategic customers. Originally from the UK, Neil started work as an NVH engineer on passenger car exhaust systems, before moving to commercial vehicle emissions control in 2004. After developing s...
Neil Burge is Engineering Director for Faurecia’s NAO CVI group. As such he is responsible for the CVI customer Engineering programs for Faurecia in the US, and globally for strategic customers. Originally from the UK, Neil started work as an NVH engineer on passenger car exhaust systems, before moving to commercial vehicle emissions control in 2004. After developing some of the first European CV SCR systems, for Euro IV, then Euro V regulations, followed by early DOC DPF systems for off-highway applications, Neil transferred within Faurecia to America to take the CV Chief Engineer role. Neil studied at York University, Southampton University (ISVR) and Bolton University in the UK.
Ben Sharpe
Senior Researcher and Canada Lead, International Council on Clean Transportation (ICCT)
Ben Sharpe is a Senior Researcher in the ICCT’s Heavy-Duty Vehicle Programme and also serves as Canada Lead for the organisation. He is currently conducting technical analyses to support ongoing policy development for reducing fuel consumption, greenhouse gas emissions and criteria pollutants from on-road vehicles. Previously Ben worked for Schlumberger and for the Califor...
Ben Sharpe is a Senior Researcher in the ICCT’s Heavy-Duty Vehicle Programme and also serves as Canada Lead for the organisation. He is currently conducting technical analyses to support ongoing policy development for reducing fuel consumption, greenhouse gas emissions and criteria pollutants from on-road vehicles. Previously Ben worked for Schlumberger and for the California Air Resources Board’s Emissions Inventory Group. He holds bachelor’s and master’s degrees in civil engineering from Stanford University and a PhD in civil engineering from the University of California.
Fabricio Cardoso
Manager, Consulting - Emissions Control, Argus
Fabricio is Argus’s lead analyst on emissions control technologies and on the global AdBlue®/DEF/ARLA 32 markets. Fabricio has significant work experience in fuels and biofuels quality, engines and emissions standards. Fabricio has contributed to emissions consulting projects, including studies related to due diligence and project feasibility. He holds a Chemical Engineeri...
Fabricio is Argus’s lead analyst on emissions control technologies and on the global AdBlue®/DEF/ARLA 32 markets. Fabricio has significant work experience in fuels and biofuels quality, engines and emissions standards. Fabricio has contributed to emissions consulting projects, including studies related to due diligence and project feasibility. He holds a Chemical Engineering degree, a MSc in Transport and Sustainable Development, and an MBA in Agribusiness. He is fluent in French, Spanish and Portuguese.
Jeffrey Harmening
Manager - EOLCS/DEF/MOM, American Petroleum Institute
Jeff Harmening has been with the American Petroleum Institute (API) for 11 years and currently manages the Engine Oil Licensing Certification System (EOLCS) program, Diesel Exhaust Fluid Certification Program and the Motor Oil Matters (MOM) program. Engine Oils certified under the EOLCS program are authorized to display two marks, the API Service Symbol (aka “Donut”) and ...
Jeff Harmening has been with the American Petroleum Institute (API) for 11 years and currently manages the Engine Oil Licensing Certification System (EOLCS) program, Diesel Exhaust Fluid Certification Program and the Motor Oil Matters (MOM) program. Engine Oils certified under the EOLCS program are authorized to display two marks, the API Service Symbol (aka “Donut”) and the Certification Mark (aka “Starburst”). Fluids certified under the DEF Certification Program are authorized to display the API Diesel Exhaust Fluid Certification Mark. Both of these voluntary programs help consumers identify quality fluids for their gasoline- and diesel-powered vehicles. Jeff also oversees the Aftermarket Audit Program (AMAP), an annual program in which thousands DEF and engine oil samples are purchased in the marketplace around the globe and tested to ensure conformance with required specifications.
Dmitri Konson
Vice President Engineering, Tenneco Clean Air
Dmitri is responsible for new product development and application engineering at Tenneco Clean Air. He started his engineering career as a robotics research engineer at St Petersburg Polytechnic University in 1989 and later led new technology and product development for automotive and aerospace manufacturers in Russia, Australia and the US. He held senior engineering and m...
Dmitri is responsible for new product development and application engineering at Tenneco Clean Air. He started his engineering career as a robotics research engineer at St Petersburg Polytechnic University in 1989 and later led new technology and product development for automotive and aerospace manufacturers in Russia, Australia and the US. He held senior engineering and management positions at Boeing and Trico Products before joining Tenneco in 2011 as chief engineer of product validation and CAE, and took on leadership roles on XNOx engineering, advanced engineering and product line engineering before starting in his current position in 2018. He has a master’s in mechanical engineering from St Petersburg Polytechnic University and an MBA from the University of Adelaide.
Dustin Burnette
DEF Supply, Analytics and Distribution Manager, Pilot Flying J
Steve Tam
Vice President, ACT Research
Stephen has been involved in the commercial vehicle industry since 1993. He spent seven years in various accounting positions at two Fortune 500 companies before joining ACT Research in 2000, and since being promoted to his current position in October 2008, he has been appointed to the board of directors and become a managing member of the firm. He is one of ACT’s two p...
Stephen has been involved in the commercial vehicle industry since 1993. He spent seven years in various accounting positions at two Fortune 500 companies before joining ACT Research in 2000, and since being promoted to his current position in October 2008, he has been appointed to the board of directors and become a managing member of the firm. He is one of ACT’s two principal commercial vehicle market analysts, and leads the firm’s work on used truck markets. His other responsibilities include project and database management, and the collection, analysis and reporting of specialty data series. In addition to being frequently sought after as a guest speaker at industry events and giving presentations to private companies, he is often quoted in industry publications, newspapers and business periodicals.
Gus Block
Director of Corporate Development, Nuvera
Gus is a founding member of Nuvera Fuel Cells, a company established in 2000 to provide hydrogen and fuel cell solutions for on-road and off-road vehicles. His focus at Nuvera is on developing fuel cell markets for medium and heavy-duty transport applications. Gus serves on the Governor’s Zero Emissions Vehicle Commission in Massachusetts, and is Chair of the Communication...
Gus is a founding member of Nuvera Fuel Cells, a company established in 2000 to provide hydrogen and fuel cell solutions for on-road and off-road vehicles. His focus at Nuvera is on developing fuel cell markets for medium and heavy-duty transport applications. Gus serves on the Governor’s Zero Emissions Vehicle Commission in Massachusetts, and is Chair of the Communications and Marketing Committee of the Fuel Cell and Hydrogen Energy Association. Gus earned a bachelor’s degree in mechanical engineering from The Cooper Union for the Advancement of Science and Art, where he was class valedictorian, as well as a bachelor’s degree in philosophy at Brandeis University. As a Fulbright Fellow in 1994─95, Gus built a wind-powered electrolyser in Sri Lanka for producing hydrogen, which was the start of his involvement in the fuel cell industry. Afterwards, he joined global research and development firm Arthur D. Little in Cambridge, Massachusetts, developing fuel processors for fuel cell applications.
Laura Ricart
Product Manager - Future Technologies, Navistar
Laura Ricart has a PhD in mechanical engineering and is the Chief Engineer for Vehicle Performance Integration for Navistar. In her current role, she is responsible for the technology roadmap to maintain Navistar’s competitive position especially in fuel economy for Class 8 tractors. She leads a team of powertrain and aerodynamics specialists. Aerodynamics has always been ...
Laura Ricart has a PhD in mechanical engineering and is the Chief Engineer for Vehicle Performance Integration for Navistar. In her current role, she is responsible for the technology roadmap to maintain Navistar’s competitive position especially in fuel economy for Class 8 tractors. She leads a team of powertrain and aerodynamics specialists. Aerodynamics has always been a differentiating area for Navistar and new regulations mean that aerodynamics for commercial vehicles is a growing field that is also key in energy and climate initiatives. Internal combustion engines were the focus of her graduate work and she has continued to develop traditional powertrains to newer standards and to diversify and grow the next generation of powertrain technologies.
Michael Geller
Deputy Director, Manufacturers of Emissions Controls Association
MECA's members include leading manufacturers of a variety of emission control equipment and efficiency technologies for all mobile sources that run on fuels from gasoline to electricity. Mike has 20 years’ experience in issues relating to air pollution and transportation policy, specialising in particulate matter from mobile sources. Previously, Mike spent seven years wi...
MECA's members include leading manufacturers of a variety of emission control equipment and efficiency technologies for all mobile sources that run on fuels from gasoline to electricity. Mike has 20 years’ experience in issues relating to air pollution and transportation policy, specialising in particulate matter from mobile sources. Previously, Mike spent seven years with EPA’s Office of Transportation and Air Quality. He has a PhD in Environmental Engineering from the University of Southern California.